<?php

namespace App\Traits;

use App\Models\Image;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

trait HandlesImageUpload
{
    /**
     * If the request carries an uploaded image file, store it, create an Image
     * record for it, and return that record's id. Returns null when no file is
     * present so callers can fall back to a provided image_id.
     */
    protected function uploadedImageId(Request $request, string $field = 'image'): ?int
    {
        if (!$request->hasFile($field)) {
            return null;
        }

        $file = $request->file($field);
        $ext = $file->getClientOriginalExtension() ?: ($file->guessExtension() ?: 'jpg');
        $path = $file->storeAs('images', Str::random(40) . '.' . $ext, 'public');

        return Image::create([
            'user_id' => auth()->id(),
            'path' => $path,
            'type' => 'public',
        ])->id;
    }
}